We cannot define anything precisely! If we attempt to we get into that paralysis of thought that comes to philosophers who sit opposite each other one saying to the other ‘You don’t know what you are talking about!’ The second one says ‘What do you mean by know? What do you mean by talking? What do you mean by you?’ and so on. ~ Richard Feynman 1918 to 1988
Find the number such that if the whole of it is added to one-seventh of it the result will be nineteen. ~ The Ahmes Papyrus Ancient Egyptian mathematics problem from c. 2200 BC
Pieter van Musschenbroek (1692–1761) Netherlands – Leyden jar pyrometer.
Donald A. Glaser (1926–2013) USA – Bubble chamber.
William Painter (1838–1906) UK/USA – a.o. Crown cork Bottle opener.
Guy Severin (1926–2008) Russia – extra-vehicular activity supporting system.
Robert Metcalfe (born 1946) USA – Ethernet.
Hans Wilhelm Geiger (1882–1945) Germany – Geiger counter.
Simon Sunatori (born 1959) Canada – inventor of MagneScribe and Magic Spicer.
Tadeus Reichstein (1897–1996) Poland/Switzerland – Reichstein process (industrial vitamin C synthesis).
David Brewster (1781–1868) United Kingdom – Kaleidoscope.
Hyman George Rickover (1900–1986) USA – Nuclear submarine.
Heinrich Hertz (1857–1894) Germany – radio telegraphy electromagnetic radiation.
Anthony Michell (1870–1959) Australia – tilting pad thrust bearing crankless engine.
Ibn al-Haytham (Alhazen) (965–1039) Iraq – camera obscura pinhole camera magnifying glass.
Léon Serpollet (1858–1907) France – Flash boiler Gardner-Serpollet steam car.
Nicolas Florine (1891–1972) Georgia/Russia/Belgium – first tandem rotor helicopter to fly freely.
Frederick Walton (c. 1834–1928) UK – Linoleum.
Ivan Pavlov (1849–1936) Russia – classical conditioning.
John Landis Mason (1826–1902) USA – Mason jars.
David Boggs (born 1950) USA – Ethernet.
George Pullman (1831–1897) USA – Pullman sleep wagon.
Chemistry unlike other sciences sprang originally from delusions and superstitions and was at its commencement exactly on a par with magic and astrology. ~ Thomas Thomson - 1773 to 1852
Surely it is not knowledge but learning; not owning but earning; not being there but getting there; that gives us the greatest pleasure. ~ Carl Friedrich Gauss 1777 – 1855 - Mathematician and Physicist
Physics is very muddled again at the moment; it is much too hard for me anyway and I wish I were a movie comedian or something like that and had never heard anything about physics! ~ Wolfgang Pauli 1900 – 1958
A detective with his murder mystery a chemist seeking the structure of a new compound use little of the formal and logical modes of reasoning. Through a series of intuitions surmises fancies they stumble upon the right explanation and have a knack of seizing it when it once comes within reach. ~ Gilbert Lewis 1875 – 1946
Physics is actually too hard for physicists. ~ David Hilbert 1862 to 1943 (Mathematician)
The invention of logarithms came to the world as a bolt from the blue. No previous work had led up to it… It stands isolated breaking in upon human thought abruptly without borrowing from the work of other intellects or following known lines of mathematical thought. ~ John Moulton 1844 – 1921 - Mathematician
What exactly is mathematics? Many have tried but nobody has really succeeded in defining mathematics; it is always something else. Roughly speaking people know that it deals with numbers figures with relations operations and that its formal procedures involving axioms proofs lemmas theorems have not changed since the time of Archimedes. ~ Stan Ulam 1909 – 1984 - Mathematician
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- Size: 4Pcs x 12x12inch (30x30cm), Giclee artwork, printed on high quality waterproof cotton canvas.
- Ready to Hang, Stretched and Framed, Easy Setup - Cord setup already, easy hold on the nails(Free accessories).
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- Brand "SMARTWALLSTATION" has been registered and protected.
- Size: 28" x 24"
- Color: Matte Black
- High-Quality Die-Cut Oracal Vinyl; Made In USA
- Written/Video Instructions Included
- Will not damage walls Non-transferrable
- Special Quote Ceramic Wall Hanging Art Sign
- * Size: 15 x 15 cm / 5.9 x 5.9 inch
- This tile has a smooth surface.
- It comes with a hook for hanging on the wall.